diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 03f440aa25..02f3aa29db 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1105,7 +1105,13 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
      </row>
      <row>
       <entry><literal>WalSenderMain</literal></entry>
-      <entry>Waiting in main loop of WAL sender process.</entry>
+      <entry>Waiting in main loop of (physical replication) WAL sender
+       process.</entry>
+     </row>
+     <row>
+      <entry><literal>WalSenderWaitForWAL</literal></entry>
+      <entry>Waiting for WAL to be flushed in main loop of logical
+       replication WAL sender process.</entry>
      </row>
      <row>
       <entry><literal>WalWriterMain</literal></entry>
@@ -1171,10 +1177,6 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       <entry><literal>SSLOpenServer</literal></entry>
       <entry>Waiting for SSL while attempting connection.</entry>
      </row>
-     <row>
-      <entry><literal>WalSenderWaitForWAL</literal></entry>
-      <entry>Waiting for WAL to be flushed in WAL sender process.</entry>
-     </row>
      <row>
       <entry><literal>WalSenderWriteData</literal></entry>
       <entry>Waiting to write WAL data to WAL receiver in
diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index b7af7c2707..5ab2cfc852 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -3930,6 +3930,9 @@ pgstat_get_wait_activity(WaitEventActivity w)
 		case WAIT_EVENT_WAL_SENDER_MAIN:
 			event_name = "WalSenderMain";
 			break;
+		case WAIT_EVENT_WAL_SENDER_WAIT_WAL:
+			event_name = "WalSenderWaitForWAL";
+			break;
 		case WAIT_EVENT_WAL_WRITER_MAIN:
 			event_name = "WalWriterMain";
 			break;
@@ -3970,9 +3973,6 @@ pgstat_get_wait_client(WaitEventClient w)
 		case WAIT_EVENT_SSL_OPEN_SERVER:
 			event_name = "SSLOpenServer";
 			break;
-		case WAIT_EVENT_WAL_SENDER_WAIT_WAL:
-			event_name = "WalSenderWaitForWAL";
-			break;
 		case WAIT_EVENT_WAL_SENDER_WRITE_DATA:
 			event_name = "WalSenderWriteData";
 			break;
diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index 2c82313550..14913d7c5b 100644
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -934,6 +934,7 @@ typedef enum
 	WAIT_EVENT_SYSLOGGER_MAIN,
 	WAIT_EVENT_WAL_RECEIVER_MAIN,
 	WAIT_EVENT_WAL_SENDER_MAIN,
+	WAIT_EVENT_WAL_SENDER_WAIT_WAL,
 	WAIT_EVENT_WAL_WRITER_MAIN
 } WaitEventActivity;
 
@@ -953,7 +954,6 @@ typedef enum
 	WAIT_EVENT_LIBPQWALRECEIVER_CONNECT,
 	WAIT_EVENT_LIBPQWALRECEIVER_RECEIVE,
 	WAIT_EVENT_SSL_OPEN_SERVER,
-	WAIT_EVENT_WAL_SENDER_WAIT_WAL,
 	WAIT_EVENT_WAL_SENDER_WRITE_DATA,
 } WaitEventClient;